| Équations équilibrées la veille |
CH4 + 2 H2S = CS2 + 8 H
NaCl + Ag(II)NO3 = NaNO3 + Ag(II)Cl =>
NaCl + Ag(II)NO3 = NaNO3 + Ag(II)Cl
H2PtCl6 + NaNO3 = PtO2 + NO2 + NaCl + HNO3 + O2 =>
H2PtCl6 + 6 NaNO3 = PtO2 + 4 NO2 + 6 NaCl + 2 HNO3 + O2
PbO2 + H{+} + Cl{-} = Pb{2+} + H2O + Cl =>
PbO2 + 4 H{+} + 2 Cl{-} = Pb{2+} + 2 H2O + 2 Cl
CO2 + CaC2 + H2O + NaOH = (C3H3NaO2)2 + CaO =>
6 CO2 + 12 CaC2 + 10 H2O + 10 NaOH = 5(C3H3NaO2)2 + 12 CaO
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
Mg(OH)2 + CH3COOH = MgOH(CH3COO) + H2O =>
Mg(OH)2 + CH3COOH = MgOH(CH3COO) + H2O
Pb(NO3)2 + H2SO4(aq) = PbSO4 + HNO3 =>
Pb(NO3)2 + H2SO4(aq) = PbSO4 + 2 HNO3
AlBr3 + P = Al5P3 + Br2 =>
10 AlBr3 + 6 P = 2 Al5P3 + 15 Br2
(CH3COO)2Mg + CaO = (CH3COO)2Ca + MgO =>
(CH3COO)2Mg + CaO = (CH3COO)2Ca + MgO
Ti + CuO = TiO2 + Cu2O =>
Ti + 4 CuO = TiO2 + 2 Cu2O
K2Cr2O7 + H2SO4 = K2SO4 + Cr2SO4 + H2O + (O) =>
K2Cr2O7 + 2 H2SO4 = K2SO4 + Cr2SO4 + 2 H2O + 5(O)
KMnO4 + Na2S + NaOH = Na2MnO4 + K2S + Na2SO4 + H2O =>
8 KMnO4 + 5 Na2S + 8 NaOH = 8 Na2MnO4 + 4 K2S + Na2SO4 + 4 H2O
CH2 + O2 = C3O2 + H6O =>
6 CH2 + 3 O2 = 2 C3O2 + 2 H6O
Na2O + N = Na3N + O2 =>
6 Na2O + 4 N = 4 Na3N + 3 O2
BaCl2 + NaHO = NaCl2 + BaHO =>
BaCl2 + NaHO = NaCl2 + BaHO
Ba3[PO4]2 + Cu3(PO4) = Ba3[PO4] + Cu3[PO4]2 =>
Ba3[PO4]2 + Cu3(PO4) = Ba3[PO4] + Cu3[PO4]2
Bi(OH)3 + Sn(OH)3{-} = Sn(OH)62{-} + Bi(basic) =>
59 Bi(OH)3 + 3 Sn(OH)3{-} = 3 Sn(OH)62{-} + 59 Bi(basic)
NH4NO3 = NH3NO3 + H =>
NH4NO3 = NH3NO3 + H
K2CrO7 + H2O + S = SO2(g) + KOH + Cr2O3 =>
4 K2CrO7 + 4 H2O + 9 S = 9 SO2(g) + 8 KOH + 2 Cr2O3
CaNO3 + NH4Br = CaBr + NH4NO3 =>
CaNO3 + NH4Br = CaBr + NH4NO3
ClO + H2O = Cl + OH =>
ClO + H2O = Cl + 2 OH
PCl5() + H2O(l) = H3PO4(l) + HCl(g) =>
PCl5() + 4 H2O(l) = H3PO4(l) + 5 HCl(g)
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Ni2O3 + H2O = Ni(OH)3 =>
Ni2O3 + 3 H2O = 2 Ni(OH)3
NaClO2 + H2O = NaOH + HClO2 =>
NaClO2 + H2O = NaOH + HClO2
KI + Hg2(NO3)2 = KNO3 + Hg + I2(s) =>
2 KI + Hg2(NO3)2 = 2 KNO3 + 2 Hg + I2(s)
Cr(OH)3 + HI = H2O + CrI3 =>
Cr(OH)3 + 3 HI = 3 H2O + CrI3
Al5 + CuSO4*5H2O = Cu5 + Al2(SO4)3 + H2O =>
2 Al5 + 15 CuSO4*5H2O = 3 Cu5 + 5 Al2(SO4)3 + 75 H2O
Fe2O3 + CuCl2 + H2O = CuFe2O4 + H2 + Cl =>
Fe2O3 + CuCl2 + H2O = CuFe2O4 + H2 + 2 Cl
(b)SF6(g) + SO3(g) = SO2F2(g) =>
(b)SF6(g) + 2 SO3(g) = 3 SO2F2(g)
Zn + HNO2 = Zn(NO2) + NO + H2O =>
Zn + 2 HNO2 = Zn(NO2) + NO + H2O
Ca2CO3 + H2O = Ca(OH)2 + CO =>
Ca2CO3 + 2 H2O = 2 Ca(OH)2 + CO
H2WO4 + Sc(OH)3 = ScOHWO4 + H2O =>
H2WO4 + Sc(OH)3 = ScOHWO4 + 2 H2O
C10H12O2 + NaOH = C7H6O2 + C3H9O + Na =>
22 C10H12O2 + 21 NaOH = 25 C7H6O2 + 15 C3H9O + 21 Na
FeCl2 + KMnO4 + H2SO4 = Cl2 + K2SO4 + Fe2(SO4)3 + MnSO4 + H2O =>
10 FeCl2 + 6 KMnO4 + 24 H2SO4 = 10 Cl2 + 3 K2SO4 + 5 Fe2(SO4)3 + 6 MnSO4 + 24 H2O
C2H5OH + NaCl + H2SO4 = C2H5Cl + NaHSO4 + H2O =>
C2H5OH + NaCl + H2SO4 = C2H5Cl + NaHSO4 + H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
C2H4(g) + O2(g) = CO + HO =>
C2H4(g) + 3 O2(g) = 2 CO + 4 HO
C6H12 + HCl = ClC6H13 =>
C6H12 + HCl = ClC6H13
C6H9N3O2 + O2 = CH4N2O + H2O + CO2 =>
2 C6H9N3O2 + 10 O2 = 3 CH4N2O + 3 H2O + 9 CO2
Au + Ca(SO4) = Ca + Au2(SO4) =>
2 Au + Ca(SO4) = Ca + Au2(SO4)
Al2(SO4)3(aq) + NaOH(aq) = Na2SO4 + Al(OH)3 =>
Al2(SO4)3(aq) + 6 NaOH(aq) = 3 Na2SO4 + 2 Al(OH)3
Na2S2O3 + NaClO + H2O = Na2S4O6 + NaOH + NaCl =>
2 Na2S2O3 + NaClO + H2O = Na2S4O6 + 2 NaOH + NaCl
Cr(OH)3 + HI = H2O + CrI3 =>
Cr(OH)3 + 3 HI = 3 H2O + CrI3
CaO + H2O = CaO2 + H2 =>
CaO + H2O = CaO2 + H2
LiSO4 + Al(NO3)3 = Al(SO4)3 + LiNO3 =>
3 LiSO4 + Al(NO3)3 = Al(SO4)3 + 3 LiNO3
Ag2SO4 + NaF = Na2SO4 + AgF =>
Ag2SO4 + 2 NaF = Na2SO4 + 2 AgF
H2O + CN + CrO4 = CNO + Cr(OH)3 =>
3 H2O + 5 CN + 2 CrO4 = 5 CNO + 2 Cr(OH)3
Cr(OH)3 + HI = CrI3 + HOH =>
Cr(OH)3 + 3 HI = CrI3 + 3 HOH
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